UK telephone area code 020 is London, including both the former "Inner London" and "Outer London" zones. A number beginning with 020 7485 is most likely a BT landline in Kentish Town, but with number portability any particular 020 number could be located anywhere in the greater London 020 zone, served by any local telephone company.
The dial code for Wimbledon, a district in London, is 020. This code is part of the larger London area code system, which uses the 020 prefix for various boroughs and districts within Greater London.
Dial the international code (011) then the country code for the United Kindom (44). Then dial the full 11-digit UK phone number MINUS any leading zero. London's area code is (020), or 20 from overseas. So, the London number (020) 7946 0018 would be dialled as 011 44 20 7946 0018.
London is area code 020.
020 is the telephone dialling code for all of London.
UK area code 020 is London.
A UK telephone number like (020) 84xx xxxx will be in London. You need to state two more digits in order to be able to work out which part of London; eg. (020) 8484 or (020) 8411 etc.
020 is London. 020-3 numbers can be anywhere in London. The operator who "owns" this number is Frontier Systems. Note that the area code for London is just 020, not 0203 or 0207 or 0208.
Area code 020 is London. There is no more specific geographic information possible from the information in your question.
Almost all London numbers are in the format (020) xxxx xxxx. To dial a London number from anywhere in the Republic of Ireland, dial the following: 00 (the international dialling prefix) 44 (the code for the UK) 20 (the code for London with the initial 0 removed) xxxx xxxx (the 8 digit London telephone number).
UK area code 020 is London, but there are no valid numbers beginning with 020 4, much less 020 43. Also, the area code for London is just 020, not 020x or 020xx. There are no other UK telephone area codes beginning with 020.
149.25
In the UK, area code 020 is London. A number beginning with 020 8488 could be located anywhere in the 020 London area. It is not possible to specify the location more specifically.